Active Control of Noise using a Pneumatic Servovalve
نویسنده
چکیده
In this paper we demonstrate the applicability of a high speed pneumatic servovalve for active noise control (ANC). Pressurized air is fluctuated using the servovalve to produce sound at commandable amplitude and frequency. The paper presents results of a noise cancellation experiment with an acoustic duct structure where disturbance produced by a speaker is overwhelmed by the high speed pneumatic servovalve. Single-tone and dual-tone disturbances at unknown frequencies are successfully rejected using the ARMARKOV adaptive control disturbance rejection algorithm.
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